The Municipality of Tryavna occupies a territory of 270 sq.km. Placed along the northern slopes of the Tryavna Balkan Mountain and Fore-Balkans. The relief is diverse - from mountain to river valleys, hills and gorges. The elevation varies
from 380 m to 1489 m from the sea level.
A substantial part of its territory, as much as 130 sq. km, is covered mainly with oak and beech forests. The farming land is 126 sq. km or 47%, half of which comprises of meadows and pastures.
The historical and architectural reservation in Tryavna is among its main attractions. Some of the best examples of buildings from the Bulgarian Renaissance period have been well preserved. The seven museum collections contain unique pieces of art from the late medieval period, such as icons and woodcarvings.The town of Tryavna has preserved its old town square, the only one left in the country, which has been proclaimed as a Monument of Architecture.